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Finding the Fourth Proportional to 482,520.61, 665,958.15 and 267,729.85

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Solution

The fourth proportional to 482,520.61, 665,958.15 and 267,729.85 is: 369,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,520.61 : 665,958.15 = 267,729.85 : x
  2. Step 2: Convert to fraction form
    482,520.61/665,958.15 = 267,729.85/x
  3. Step 3: Cross multiply
    482,520.61x = 665,958.15 × 267,729.85
  4. Step 4: Simplify right side
    482,520.61x = 178,296,875,605.78
  5. Step 5: Solve for x
    x = 178,296,875,605.78/482,520.61
  6. Step 6: Final answer
    x = 369,511.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.